Worksheet 11: Geometry of 2D Shapes Grade 8 Mathematics

Worksheet 11: Geometry of 2D Shapes Grade 8 Mathematics

1. Match the shape in column A with its description in column B and its picture in column C. (Please note that the table is also on the second page).

Column A

Column B

Column C

a) Opposite sides equal

1. Equilateral

and parallel and all

triangle

angles are 90?

i)

2. Isosceles Triangle

b) All sides equal and

opposite angles add up

to 180?

ii)

3. Scalene Triangle

c) Two pairs of adjacent

sides equal iii)

4. Right Angled

d) All three sides are

Triangle

different in size

iv)

5. Parallelogram

e) One pair of sides parallel

v)

6. Rectangle

f) 3 sides, with one angle equal to 90? vi)

mathsatsharp.co.za

7. Square 8. Rhombus

g) A triangle where the two base angles are equal vii)

h) A triangle where all three angles are equal to 60? viii)

9. Trapezium

i) Opposite sides equal and parallel. ix)

10. Kite

j) All four sides equal and opposite sides parallel x)

2. Say whether the following shapes are similar, congruent or neither.

a)

b)

c)

d)

mathsatsharp.co.za

3. What is the difference between similarity and congruency?

4. Say whether the following statements are true or false. If false, correct the statement. a) All equilateral triangles are similar. b) All scalene triangles are similar. c) All rectangles are squares. d) All squares are rhombi. e) A shape that is congruent to another shape will also be similar to that shape.

5. Find the missing values of a ? z:

a)

b)

c)

d)

mathsatsharp.co.za

e)

f)

g)

h)

i)

Note that ABCD is a parallelogram:

mathsatsharp.co.za

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download